Portion of a display panel with graphical user interface



FIG. 1 is a front view of a portion of a display panel with graphical user interface showing our new design;

FIG. 2 is a front view of a portion of a display panel with graphical user interface, showing a second embodiment of our design;

FIG. 3 is a front view of a portion of a display panel with graphical user interface, showing a third embodiment of our design;

FIG. 4 is a front view of the embodiment of our design depicted in FIG. 2, but with fewer environmental features as those depicted in FIG. 2; and,

FIG. 5 is a front view of the embodiment of our design depicted in FIG. 3, but with fewer environmental features as those depicted in FIG. 3.

The outermost broken line shows a portion of a display screen and form no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a graphical user interface for a display screen or a portion thereof, as shown and described. 